<template>
    <div>
      <h1>子组件</h1>
    </div>
  </template>
  
  <script lang="ts">
  import { defineComponent, ref } from "vue";
  
  export default defineComponent({
    setup() {
      const childAaa = ref<string>("mmmmmm");
      const aa = ref("吃饭");
      return {
        childAaa,
        aa,
      };
    },
  });
  </script>
  
  <style scoped>
  </style>